450930620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{21617}}^1$

素因数の和:21782

約数の個数: 48

約数和(自身を含む): 1089547200

約数和(自身を除く): 638616580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20860, 21617, 43234, 86468, 108085, 151319, 216170, 302638, 432340, 605276, 756595, 1513190, 3026380, 3220933, 6441866, 12883732, 16104665, 22546531, 32209330, 45093062, 64418660, 90186124, 112732655, 225465310, 450930620]

約数ペア:

[(1, 450930620), (2, 225465310), (4, 112732655), (5, 90186124), (7, 64418660), (10, 45093062), (14, 32209330), (20, 22546531), (28, 16104665), (35, 12883732), (70, 6441866), (140, 3220933), (149, 3026380), (298, 1513190), (596, 756595), (745, 605276), (1043, 432340), (1490, 302638), (2086, 216170), (2980, 151319), (4172, 108085), (5215, 86468), (10430, 43234), (20860, 21617)]